Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHYNWY07GMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-776 1 Casper WY 5562 METROPCS, INC. 654   2021-05-16   
307-829 0 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-829 1 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-829 2 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-829 4 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-829 5 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-881 5 Wheatland WY 6529 T-MOBILE USA, INC. 654   2022-04-17   
307-920 A Cheyenne WY 6529 T-MOBILE USA, INC. 654      
307-920 0 Cheyenne WY 6529 T-MOBILE USA, INC. 654      
307-920 1 Cheyenne WY 6529 T-MOBILE USA, INC. 654      
307-920 2 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2014-08-09   
307-920 3 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2014-08-09   
307-920 4 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2014-11-29   
307-920 5 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2014-11-29   
307-920 6 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   
307-920 7 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2013-12-11   
307-920 8 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2013-12-11   
307-920 9 Cheyenne WY 6529 T-MOBILE USA, INC. 654   2019-07-14   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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